Selwyn_Times: July 06, 2022
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Wednesday <strong>July</strong> 6 <strong>2022</strong> <strong>Selwyn</strong> <strong>Times</strong><br />
• By Georgia O’Connor-<br />
Harding<br />
THE FOG of the earthquakes<br />
is finally lifting for resilient<br />
Cantabrians.<br />
New research from the University<br />
of Otago, Christchurch,<br />
has found the brain function<br />
of otherwise-healthy individuals<br />
living through a traumatic<br />
event has the ability to bounce<br />
back over time.<br />
An initial study conducted<br />
about three years post-quake<br />
found a group of Cantabrians<br />
who didn’t develop psychological<br />
difficulties were still<br />
experiencing issues with<br />
cognitive function including<br />
memory and attention.<br />
But 10-11 years on from<br />
the earthquakes, researchers<br />
found that same group overcame<br />
those issues.<br />
Senior research fellow Dr<br />
Katie Douglas said it shows<br />
time does heal which is promising<br />
and hopeful for those<br />
that experienced that trauma.<br />
“This is good news as it offers<br />
preliminary evidence that<br />
there are no long-lasting effects<br />
on cognitive impairment<br />
after exposure to a traumatic<br />
event, at least in people who<br />
don’t develop a mental health<br />
condition.<br />
“It suggests changes in their<br />
cognitive functioning and<br />
Latest Canterbury news at starnews.co.nz<br />
emotion processing may be<br />
related to exposure to continued<br />
threat in the environment,<br />
which improves when the<br />
threat resolves,’ she said.<br />
Douglas said the findings<br />
back up similar international<br />
studies which show the brain’s<br />
ability to recover once<br />
distanced in time from the<br />
original trauma.<br />
“When the original studies<br />
were conducted, people were<br />
living in an environment<br />
of ongoing seismic activity<br />
where, over a two-year period,<br />
Canterbury experienced over<br />
10,000 aftershocks.<br />
“The fact that residents were<br />
in a chronically hyper-aroused<br />
state may have resulted in biological<br />
changes in the brain,<br />
such as in the amygdala,<br />
which is responsible for processing<br />
strong emotions. By<br />
the time of the current study<br />
however, there was no seismic<br />
activity and the sense of threat<br />
had abated.”<br />
Study co-author, Associate<br />
Professor Caroline Bell, also<br />
from the University of Otago,<br />
Christchurch, says the study<br />
adds to the growing body of<br />
international research relating<br />
to how large groups in society<br />
NEWS 15<br />
Quake brain fog fades over time – study<br />
EFFECT:<br />
September<br />
4, 2010,<br />
earthquake<br />
damage to<br />
Highfield<br />
Rd, Charing<br />
Cross. A study<br />
eleven years<br />
after the event<br />
has found<br />
Cantabrians<br />
are overcoming<br />
psychological<br />
difficulties.<br />
react and respond following<br />
traumatic situations.<br />
“These findings give us a<br />
sense of the effects of exposure<br />
to major threats from disasters<br />
such as earthquakes on wider<br />
populations.<br />
“They are reassuring in<br />
showing that a resilient response<br />
is the most prevalent.<br />
They also suggest, conversely,<br />
that persisting impairments in<br />
threat sensitivity and cognitive<br />
functioning may affect<br />
people’s productivity and<br />
could potentially be a target<br />
for intervention,” she said.<br />
– NZ Herald<br />
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